摘要：The purpose of this study is to make inter-country comparisons in accordance with TALIS implementation and to determine the countries at similar development in terms of education. With this respect, there was determined how the countries participated to this implementation according to the variables that take place within TALIS implementation have all been grouped together and there had also been determined the percentages of those specified groups in terms of school principal, teacher and school variables. The study population included secondary education school principals and secondary education teachers who were the target population of the study. The study sample included 200 schools from each country and 20 teachers from each school. In the study, there was used the data relevant to 16 variables that take place within teacher and school principals questionnaires of 23 countries participated in TALIS 2008. In accordance with the target of the study, there had been carried out cluster analysis in order to categorize countries participated in TALIS implementation according to specific variables. There was determined under how many clusters specified countries have been categorized according to school principals, teacher and school variables participated in TALIS implementation and also there was made comparisons among the clusters.
